From: "Nicolas J. Bouliane" <[email protected]>

the armv5 can do 32bit/16bit reads only from the aligned address
use tlv.h macro to copy data to local variable

Signed-off-by: Nicolas J. Bouliane <[email protected]>
---
 src/common/rsl.c |   32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/common/rsl.c b/src/common/rsl.c
index 9a50a33..4f28cb2 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -1089,7 +1089,6 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, 
int inc_pt2,
 {
        struct msgb *msg;
        uint8_t chan_nr = gsm_lchan2chan_nr(lchan);
-       uint32_t *att_ip;
        const char *name;
        struct in_addr ia;
 
@@ -1116,8 +1115,7 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, 
int inc_pt2,
 
        /* locally bound IP */
        msgb_v_put(msg, RSL_IE_IPAC_LOCAL_IP);
-       att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t));
-       *att_ip = htonl(lchan->abis_ip.bound_ip);
+       msgb_put_u32(msg, lchan->abis_ip.bound_ip);
 
        /* locally bound port */
        msgb_tv16_put(msg, RSL_IE_IPAC_LOCAL_PORT,
@@ -1199,11 +1197,9 @@ static int tx_ipac_XXcx_nack(struct gsm_lchan *lchan, 
uint8_t cause,
                return -ENOMEM;
 
        if (inc_ipport) {
-               uint32_t *att_ip;
                /* remote IP */
                msgb_v_put(msg, RSL_IE_IPAC_REMOTE_IP);
-               att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t));
-               *att_ip = htonl(lchan->abis_ip.connect_ip);
+               msgb_put_u32(msg, lchan->abis_ip.connect_ip);
 
                /* remote port */
                msgb_tv16_put(msg, RSL_IE_IPAC_REMOTE_PORT,
@@ -1248,8 +1244,8 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
        struct gsm_lchan *lchan = msg->lchan;
        struct gsm_bts_role_bts *btsb = bts_role_bts(msg->lchan->ts->trx->bts);
        const uint8_t *payload_type, *speech_mode, *payload_type2;
-       const uint32_t *connect_ip;
-       const uint16_t *connect_port;
+       uint32_t connect_ip = 0;
+       uint16_t connect_port = 0;
        int rc, inc_ip_port = 0, port;
        char *name;
 
@@ -1267,8 +1263,16 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
        speech_mode = TLVP_VAL(&tp, RSL_IE_IPAC_SPEECH_MODE);
        payload_type = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD);
        payload_type2 = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD2);
-       connect_ip = (uint32_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_IP);
-       connect_port = (uint16_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_PORT);
+
+       if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_IP))
+               connect_ip = tlvp_val32_unal(&tp, RSL_IE_IPAC_REMOTE_IP);
+       else
+               LOGP(DRSL, LOGL_NOTICE, "CRCX does not specify a remote IP\n");
+
+       if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_PORT))
+               connect_port = tlvp_val16_unal(&tp, RSL_IE_IPAC_REMOTE_PORT);
+       else
+               LOGP(DRSL, LOGL_NOTICE, "CRCX does not specify a remote 
port\n");
 
        if (dch->c.msg_type == RSL_MT_IPAC_CRCX && connect_ip && connect_port)
                inc_ip_port = 1;
@@ -1350,14 +1354,14 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
 
                /* Special rule: If connect_ip == 0.0.0.0, use RSL IP
                 * address */
-               if (*connect_ip == 0) {
+               if (connect_ip == 0) {
                        struct ipabis_link *link =
                                lchan->ts->trx->rsl_link;
                        ia.s_addr = htonl(link->ip);
                } else
-                       ia.s_addr = *connect_ip;
+                       ia.s_addr = connect_ip;
                rc = osmo_rtp_socket_connect(lchan->abis_ip.rtp_socket,
-                                            inet_ntoa(ia), 
ntohs(*connect_port));
+                                            inet_ntoa(ia), 
ntohs(connect_port));
                if (rc < 0) {
                        LOGP(DRSL, LOGL_ERROR,
                             "%s Failed to connect RTP/RTCP sockets\n",
@@ -1370,7 +1374,7 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg)
                }
                /* save IP address and port number */
                lchan->abis_ip.connect_ip = ntohl(ia.s_addr);
-               lchan->abis_ip.connect_port = ntohs(*connect_port);
+               lchan->abis_ip.connect_port = ntohs(connect_port);
 
        } else {
                /* FIXME: discard all codec frames */
-- 
1.7.10.4


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